This circuit is from a 1976 Motorola CMOS manual. It can be implemented with modern Darlingtons like those in the Texas TIP series. The load current depends only on the Darlington transistor.
This thermometer, which uses common diodes as sensors, was found in a 1975 magazine -...
The time constant of this circuit is 100 x R1 x C1, which leads to the possibility of obtaining times...
This circuit was found in the February 1999 issue of Electronics Now magazine. The circuit...